diff --git a/ADwinProII/labscript_devices_ADwin_modules.py b/ADwinProII/labscript_devices_ADwin_modules.py
index a73cb8f0666871dc940f71669e0a6af6b1e85061..29ef0f9c183578751aca4498ac3728575ecac266 100644
--- a/ADwinProII/labscript_devices_ADwin_modules.py
+++ b/ADwinProII/labscript_devices_ADwin_modules.py
@@ -97,7 +97,7 @@ class ADwinAnalogOut(AnalogOut):
         self.PID = {} # instructions for PID settings
 
 
-    def set_PID(self,t,PID_AnalogIn,P=0,I=0,D=0,limits=None, start=0):
+    def set_PID(self,t,PID_AnalogIn,P=0,I=0,D=0,limits=None, start="last"):
         """(De-)activate PID for analog output, or change settings
         
         Parameters